Minerva dental and oral science最新文献

{"title":"Temporomandibular joint arthrocentesis: a single-center experience and review of the literature.","authors":"Elisa Raveggi,&nbsp;Guglielmo Ramieri,&nbsp;Giovanni F Bosco,&nbsp;Emanuele Zavattero","doi":"10.23736/S2724-6329.22.04653-8","DOIUrl":"https://doi.org/10.23736/S2724-6329.22.04653-8","url":null,"abstract":"<p><strong>Background: </strong>The aim of this paper was to report our experience and to review the literature of arthrocentesis focusing on protocols and results.</p><p><strong>Methods: </strong>Arthrocentesis with supplemental hyaluronic acid was performed in patients with TMDs between January 2017 and December 2020 at the Division of Maxillofacial Surgery. The maximum interincisal opening (MIO) and pain score were recorded preoperatively (T0), 2 months postoperatively (T1), and 6 months postoperatively (T2). A literature search was performed to analyze the same parameters in patients with TMDs. Patient demographic, characteristics and treatment protocols used were also recorded.</p><p><strong>Results: </strong>This retrospective analysis enrolled 45 patients. Twenty-two patients (20 females, 2 males) with mean age of 37.13 years with internal derangement were included in study group A. Study group B included 23 patients with degenerative joint disease (19 females and 4 males) with mean age of 55.73 years. The outcomes trend of MIO and pain during the follow-up period showed a gradual improvement. Fifty articles meeting the proposed scientific criteria were selected for the literature revision. A range of clinical and procedural variables were analyzed by grouping the studies into two broad categories based on the diagnosis of TMD.</p><p><strong>Conclusions: </strong>Based on our experience and on the basis of the most accredited scientific studies in the literature, intra-articular injections of HA are beneficial for the improvement of the pain and/or functional symptoms of TMDs.</p>","PeriodicalId":18709,"journal":{"name":"Minerva dental and oral science","volume":"72 2","pages":"69-76"},"PeriodicalIF":2.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9662917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Are there difficulty variables in maxillary third molar surgery? A prospective observational cohort study.","authors":"Roberto Pippi,&nbsp;Jacopo Bufacchi,&nbsp;Salvatore DE Luca,&nbsp;Alessandra Pietrantoni","doi":"10.23736/S2724-6329.22.04665-4","DOIUrl":"https://doi.org/10.23736/S2724-6329.22.04665-4","url":null,"abstract":"<p><strong>Background: </strong>The main aim of the present study was to assess which factors were related to surgical difficulty in maxillary third molar extraction. Intra- and postoperative complications were also evaluated.</p><p><strong>Methods: </strong>A prospective observational cohort study was performed on out-patients who underwent impacted maxillary third molar extraction. Principal component analysis and multiple linear regression were used to assess the correlation among variables as well as the influence of different preoperative variables on surgical difficulty, suture duration and risk of intraoperative complications.</p><p><strong>Results: </strong>Eighty-six teeth were extracted. There was a positive correlation between pre- and postoperative evaluations and surgery duration. Available space for surgical access in the upper fornix, second molar contact, crown palatal position, depth of the elevation point and surgeon's seniority had a significant effect on the overall difficulty index. Risk of intraoperative complications increased considerably as the percentage of reduction of maximum mouth opening increased (2.03±0.98) as well as in cases in which ostectomy and tooth sectioning were performed (7.02±2.68). The surgeon's seniority was associated with a decreased risk of intraoperative complications (-1.52±0.72). Surgeons were able to predict the difficulty of surgery only to a limited extent.</p><p><strong>Conclusions: </strong>The percentage of maximum mouth opening reduction with an object in the fornix, crown palatal position, and contact with the second molar were found to be related to surgical difficulty.</p>","PeriodicalId":18709,"journal":{"name":"Minerva dental and oral science","volume":"72 2","pages":"77-89"},"PeriodicalIF":2.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9645180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Students' perceptions of tutor feedback: a pilot study.","authors":"Ingrid Tonni,&nbsp;Peter Fine,&nbsp;Albert Leung,&nbsp;Chris Louca,&nbsp;Corrado Paganelli","doi":"10.23736/S2724-6329.22.04611-3","DOIUrl":"https://doi.org/10.23736/S2724-6329.22.04611-3","url":null,"abstract":"<p><strong>Background: </strong>Feedback offered to dental students by their tutors should aim to elicit ongoing learning and motivation. Previous studies looked at the impact on learning of feedback delivered by tutors from tutors' perspectives. However, what students know about feedback and its purposes and how they experience them during their study effect the impact of feedback on learning. The aim of this pilot study was to assess the proprieties of tutor feedback and its impact on future learning from the students' perspective.</p><p><strong>Methods: </strong>A short questionnaire based cross sectional survey was designed and delivered electronically to 135 undergraduate and postgraduate students at Brescia Dental School, Italy. The questionnaire consisted of 16 questions which were divided into 3 sections. Quantitative data were collected via Google Forms, the analysis of the data was undertaken using SPSS software, Version 24.</p><p><strong>Results: </strong>Sixty-one students (45.2%) responded to the questionnaire. Forty-one of respondents (67.2%) were undergraduate students and 20 (32.8%) were postgraduate students. The vast majority of students indicated that they received feedback, thirty (49.2%) indicated that it was delivered by tutors and eight (13.1%) by fellow students. Further, students reported that feedback was timely, delivered within two weeks of assessments and that constructive criticism was the favoured feedback style (N.=52, 85.2%). Most students felt that the feedback they received helped with ongoing learning (N.=54, 88.5%).</p><p><strong>Conclusions: </strong>Most of the respondents considered that feedback received at Brescia Dental school did have a positive impact on their learning. This is of course what tutors hope would be the case but nevertheless it is gratifying to receive this endorsement from the respondent students. A more comprehensive study involving multiple dental schools in different learning environments will now be undertaken, including the collection of qualitative data.</p>","PeriodicalId":18709,"journal":{"name":"Minerva dental and oral science","volume":"72 2","pages":"61-68"},"PeriodicalIF":2.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9659731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Quality of life assessment in patients with long-term neurosensory dysfunction after mandibular fractures.","authors":"Chandan S N,&nbsp;Sujeeth K Shetty,&nbsp;Sahith K Shetty,&nbsp;Anjan K Shah","doi":"10.23736/S2724-6329.21.04462-9","DOIUrl":"https://doi.org/10.23736/S2724-6329.21.04462-9","url":null,"abstract":"<p><strong>Background: </strong>Long-term neurosensory dysfunction after mandibular fractures can have a significant impact on daily performances and quality of life (QoL) of the patient. The daily activities such as eating, speaking, shaving, kissing, and other social interactions can be affected due to the impaired sensation in the face and lip region.</p><p><strong>Methods: </strong>A cross-sectional QoL assessment was done for the patients with inferior alveolar nerve dysfunction (IAND) from mandibular fractures at the 6-month follow-up visit. An interviewer-administered oral impacts on daily performances (OIDP) questionnaire was used. The OIDP scores were compared against the age and the severity of IAND.</p><p><strong>Results: </strong>A total of 232 patients with mandibular fractures were initially examined, out of which 145 patients had IAND. At the end of 6 months, 52 patients still had some form of IAND and were included in this study. In our study, most affected activities were eating food (96.2%) and speaking clearly (98.1%) whereas the least affected were relaxing (9.6%) and doing major work (9.6%). Smiling (P<0.001), emotional state (P<0.001), and contact of other (P=0.02) were affected significantly more in younger patients than in older patients. Patients who had severe IAND at 6 months had problems with activities like cleaning teeth (P=0.04), doing light physical activity (P=0.007), going out (P=0.003), sleeping (P=0.012), and relaxing (P=0.03).</p><p><strong>Conclusions: </strong>Long-term IAND causes a significant impact on daily activities. This impact on QoL is particularly high and more frequent in the younger age group and patients with more severe IAND.</p>","PeriodicalId":18709,"journal":{"name":"Minerva dental and oral science","volume":"72 2","pages":"118-123"},"PeriodicalIF":2.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9659707","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Root planing strategies: a comparative ex-vivo study.","authors":"Silvia D'Agostino,&nbsp;Marco Dolci","doi":"10.23736/S2724-6329.22.04691-5","DOIUrl":"https://doi.org/10.23736/S2724-6329.22.04691-5","url":null,"abstract":"<p><strong>Background: </strong>As oral health has gained a crucial role in low grade inflammation control, new techniques were tested to achieve a better control of periodontal homeostasis. Ultrasound scaling and root planing by means of Gracey curettes were the established techniques, while air-polishing was mostly used on prosthetic surfaces.</p><p><strong>Methods: </strong>In the present study, an in-vitro comparison between roughness of enamel and root surfaces after air polishing and curettes was performed. Six extracted teeth were examined for air polishing effects and curettes effects at Scanning Electron Microscope to evaluate the superficial roughness. This aspect was assessed by a dedicated software analyzing roughness indexes such as Ra, Rq, Sa and fractal dimension.</p><p><strong>Results: </strong>According to our results, air polishing produced a smoother root surface in comparison with the curette's root planing. Although Gracey curette scaling represent the gold-standard so far. Moreover, air polishing did not produce root cementum damage or scratches, as with curette's scaling, and this aspect seems to be related to particles diameter and nature.</p><p><strong>Conclusions: </strong>Further studies, both in vitro and in vivo, are needed to better evaluate the real outcome of this kind of management.</p>","PeriodicalId":18709,"journal":{"name":"Minerva dental and oral science","volume":"72 2","pages":"99-107"},"PeriodicalIF":2.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9645177","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dental and skeletal features in subjects with missing maxillary lateral incisors: a case control retrospective study.","authors":"Rosanna Guarnieri,&nbsp;Serena Bertoldo,&nbsp;Gabriella Galluccio,&nbsp;Michele Cassetta,&nbsp;Ersilia Barbato,&nbsp;Roberto DI Giorgio","doi":"10.23736/S2724-6329.22.04697-6","DOIUrl":"https://doi.org/10.23736/S2724-6329.22.04697-6","url":null,"abstract":"<p><strong>Background: </strong>The aim of this study was to investigate the relationship between missing maxillary lateral incisors and the mesio-distal (MD) diameters of the teeth. Occlusal and skeletal characteristics of the patients have been analyzed.</p><p><strong>Methods: </strong>Seventy-nine patients were included in the study (permanent dentition, mean age: 13.7): 30 subjects with uni- or bilateral maxillary lateral incisors agenesis (study group, SG) and 49 patients with no maxillary lateral incisors agenesis (control group, CG). Orthopanoramics, plaster models and cephalometric analysis were used to perform the evaluations.</p><p><strong>Results: </strong>Compared to the CG, in the SG, most of the teeth had smaller MD diameter. In the bilateral agenesis subgroup, the average differences between teeth diameters were lower than those found by comparing them to the unilateral agenesis subgroup and to the SG. Overjet was reduced on average in the SG. In the SG were found less cases of cross-bite and scissor-bite, less frequency of impaction of at least one tooth and agenesis of other teeth, crowding only in the lower arch, square or ovoid arch shape in the upper arch and square in the lower arch, increased interincisal angle and decreased SN^GoMe.</p><p><strong>Conclusions: </strong>Upper lateral incisors agenesis, especially in cases of unilateral agenesis, is associated with MD teeth reduction. The agenesis of the upper lateral incisors is associated with a greater probability of agenesis affecting other teeth, molar and canine class II, reduced overjet and overbite, square or ovoid upper arch shapes, increased interincisal angle and reduced total divergence.</p>","PeriodicalId":18709,"journal":{"name":"Minerva dental and oral science","volume":"72 2","pages":"108-117"},"PeriodicalIF":2.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9660240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The findings of impacted and transmigrated maxillary and mandibular canines: a retrospective cone beam computed tomography study.","authors":"Zeynep Bayramoglu,&nbsp;Ozkan Miloglu,&nbsp;Fatmanur Yozgat Ilbaş","doi":"10.23736/S2724-6329.22.04686-1","DOIUrl":"https://doi.org/10.23736/S2724-6329.22.04686-1","url":null,"abstract":"<p><strong>Background: </strong>The aim of this study was to examine and evaluate the maxillary and mandibular impacted and transmigrant canines, their relationship with neighboring tissues and pathology with cone beam computed tomography (CBCT).</p><p><strong>Methods: </strong>CBCT data of 217 patients, between January 2018 and December 2019, with a total of 293 impacted canines were retrospectively reviewed. Clinical records were also evaluated. Maxillary or mandibular localization, angulations, transmigration, lateral and premolar tooth resorption, apical dilacerations, pathological formations, presence of persistent deciduous canines and treatment methods were investigated.</p><p><strong>Results: </strong>For 293 impacted canines, 237 were in the maxilla and 56 in the mandible, with this difference being statistically significant (P<0.05). Among the 293 impacted canines, 14 (4.8%) transmigrated canines were detected. From the 14 transmigrant canines, 13 were in the mandible and 1 was in the maxilla. This difference was found statistically significant (P<0.05). Eighteen dentigerous cysts (10 maxilla, 8 mandible) and 4 odontomas (3 maxilla, 1 mandible) were found in impacted canines. For a total of 293 impacted canines, 57 were extracted, 13 were referred to orthodontics and a follow-up decision was made for 223 teeth.</p><p><strong>Conclusions: </strong>Transmigration incidence is statistically significant, on a higher area of the lower jaw, compared to the upper jaw (P<0.05). In patients with impacted canines, taking CBCT together with a detailed clinical examination is effective in correct treatment planning and in minimizing complications that may occur during surgical extraction.</p>","PeriodicalId":18709,"journal":{"name":"Minerva dental and oral science","volume":"72 2","pages":"90-98"},"PeriodicalIF":2.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9662918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative volumetric analysis of three different obturating materials in primary molars under cone beam computed tomography: an in-vitro study.","authors":"Anil Pandey, Premkishore K, Alok Avinash, Lumbini Pathivada, Brij Kumar, Dhani Kapur","doi":"10.23736/S2724-6329.22.04679-4","DOIUrl":"10.23736/S2724-6329.22.04679-4","url":null,"abstract":"<p><strong>Background: </strong>To increase the success rate of the endodontic treatment in primary teeth various, obturating materials have been introduced to meet the specific requirements for deciduous dentition and to create a three-dimensional (3D) seal to prevent recurrence of bacterial infection. This study was conducted to compare and evaluate the three-dimensional seal and volumetric filling of primary canals obturated with different medicaments using cone beam computed tomography (CBCT).</p><p><strong>Methods: </strong>In-vitro cross sectional study was designed with sample size of 108 specimens. Thirty-six extracted primary molars were selected for the study and randomly divided into 3 groups A (Metapex; Meta Biomed, Osong-eup, Korea), B (Endoflas; Sanlor Laboratories, Cali, Colombia) and C (Zinc oxide eugenol; DPI India Ltd., Mumbai, India). After access opening, canals were prepared up to 30 no k- file followed by obturation with Metapex, Endoflas and Zinc oxide eugenol in respective groups. CBCT was done before and after the obturation for volumetric analysis. The data obtained were analyzed to attain POV (percentage of obturated volume) and PVV (percentage volume of voids).</p><p><strong>Results: </strong>The percentage of obturated volume (POV) was highest for Endoflas group (88.87) followed by Metapex (83.58) and ZnO (72.78) and the difference was statistically significant. Whereas the percentage volume of voids (PVV) was more in Zinc oxide eugenol group (27.22) followed by Metapex (16.42) and least voids were seen in Endoflas group (11.14).</p><p><strong>Conclusions: </strong>Voids were found in all three obturating materials. Endoflas showed superior three-dimensional (3D) sealing capability whereas ZnO eugenol having least sealing capacity.</p>","PeriodicalId":18709,"journal":{"name":"Minerva dental and oral science","volume":"72 1","pages":"31-36"},"PeriodicalIF":2.0,"publicationDate":"2023-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9081095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of nasal airway resistance in a cohort of children with primary snoring and maxillary deficiency.","authors":"Valeria Luzzi,&nbsp;Maria DE Filippo,&nbsp;Rosanna Guarnieri,&nbsp;Miriam Fioravanti,&nbsp;Mariana Guaragna,&nbsp;Beatrice Marasca,&nbsp;Valentina Pirro,&nbsp;Federica Altieri,&nbsp;Iole Vozza,&nbsp;Artnora Ndokaj,&nbsp;Giulia Brindisi,&nbsp;Ersilia Barbato,&nbsp;Antonella Polimeni,&nbsp;Annamaria Zicari","doi":"10.23736/S2724-6329.22.04727-1","DOIUrl":"https://doi.org/10.23736/S2724-6329.22.04727-1","url":null,"abstract":"<p><strong>Background: </strong>The aim of this study was to test whether rapid palatal expansion is effective to improve nasal airway patency in a sample of pediatric patients with primary snoring.</p><p><strong>Methods: </strong>A group of 21 subjects, 11 girls (52%) and 10 boys (48%), with a mean age of 7.1 years (SD=1.3; range 4-9 years) were treated with a rapid maxillary expansion (RME) device. Nasal airway resistance was assessed via rhinomanometric exam before (pre-) and 6 months after (post-) the rapid palatal expansion treatment.</p><p><strong>Results: </strong>Data analysis showed a statistically significant increase in the mean scores of the results of the rhinomanometric exam between the pre- and post-measurements with a significant reduction in total inspiratory and expiratory air resistance values after rapid palatal expansion.</p><p><strong>Conclusions: </strong>Our results show that RME treatment is associated with an improvement in nasal airway resistance due to a substantial reduction in nasal resistance associated with the orthopedic action of the orthodontic device.</p>","PeriodicalId":18709,"journal":{"name":"Minerva dental and oral science","volume":"72 1","pages":"54-59"},"PeriodicalIF":2.0,"publicationDate":"2023-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10821376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impression heater: effectiveness of the thermal accelerator of dental impressions.","authors":"Marco DE Luca,&nbsp;Lorenzo Bevilacqua","doi":"10.23736/S2724-6329.22.04676-9","DOIUrl":"https://doi.org/10.23736/S2724-6329.22.04676-9","url":null,"abstract":"<p><strong>Background: </strong>The success in acquiring a precision impression in the dental field is a compromise between the processing time and the setting time of the impression material. A device called \"Impression Heater\" (EU application n° EP20186042.6) has recently been patented, which consists of a self-heating disposable adhesive patch with an exothermic chemical reaction to be placed on the dental impression tray. The aim of the study was to evaluate the effectiveness of a thermal impression accelerator in reducing the setting time of different elastomers.</p><p><strong>Methods: </strong>Three samples of 5 different elastomeric materials (width 6 mm x length 50 mm x depth 3-5-7 mm) the hardening of the material was evaluated at intervals of 15 seconds using an ASTM 2240 Shore-A durometer at 20 °C. The same procedure was replicated 3 times after positioning on a Impression Heater at temperatures of 35 °C, 50 °C and 65 °C, for each material.</p><p><strong>Results: </strong>An increase in the impression material temperature from 35 °C to 50 °C reduces the setting time of an amount between 38.1% and 45.8%. Increasing the temperature from 35 °C to 65 °C results in a reduction of the setting time between 52.4% and 66.9%. At higher temperatures, the greater thickness of the impression material requires longer hardening times.</p><p><strong>Conclusions: </strong>The tests carried out confirm the validity of the patented idea which reduces the time of impression taking while keeping the working time sufficiently long for the operator to manoeuvre.</p>","PeriodicalId":18709,"journal":{"name":"Minerva dental and oral science","volume":"72 1","pages":"16-23"},"PeriodicalIF":2.0,"publicationDate":"2023-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10803752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}